Brian A. Crooker
Professor
Nutritional Physiology of Ruminants
Publications (continued)
- Refereed Articles -
Radcliff, R.P., B.L. McCormack, D.H. Keisler, B.A. Crooker, and M.C. Lucy. 2006. Partial feed restriction decreases growth hormone receptor 1A mRNA expression in postpartum dairy cows. J Dairy Sci. 89(2):611-619.
Jiang, H., M.C. Lucy, B.A. Crooker, and W.E. Beal. 2005. Expression of growth hormone receptor 1A mRNA is decreased in dairy cows but not in beef cows at parturition. J. Dairy Sci. 88:1370-1377.
Kay, J.K., W.J. Weber, C.E. Moore, D. Bauman, L. Hansen, H. Chester-Jones, B.A. Crooker, and L.H. Baumgard. 2005. Effects of week of lactation and genetic selection for milk yield on milk fatty acid composition in Holstein dairy cows. J. Dairy Sci. 88:3886-3893.
Weber, W.J., L.H. Baumgard, G.W. Kazmer, S.A. Zinn, L.B. Hansen, H. Chester-Jones, and B.A. Crooker. 2005. Effects of selection for milk yield on growth hormone response to dose of growth hormone releasing factor in Holstein calves. J. Dairy Sci. 88:1723-1731.
Radcliff,
R.P., B.L. McCormack, B.A. Crooker, and M.C. Lucy. 2003. Growth
hormone (GH) binding and expression of GH receptor 1A mRNA in hepatic
tissue of periparturient dairy cows. J. Dairy Sci. 2003 86: 3933-3940.
Radcliff,
R.P., B.L. McCormack, B.A. Crooker, and M.C. Lucy. 2003. Plasma
hormones and expression of growth hormone receptor and insulin-like
growth factor-I mRNA in hepatic tissue of periparturient dairy cows.
J. Dairy Sci. 2003 86: 3920-3926.
Block,
S.S., R.P. Rhoads, D.E. Bauman, R.A. Ehrardt, M.A. McGuire, B.A. Crooker, J.M. Griinari, T.R. Mackle, W.J. Weber, M.E. Van Amburgh,
and Y.R. Boisclair. 2003. Demonstration of a role for insulin in the
regulation of leptin in lactating dairy cows. J. Dairy Sci. 86:3508-3518.
Baumgard,
L.H., W.J. Weber, G.W. Kazmer, S.A. Zinn, L.B. Hansen, H. Chester-Jones,
and B.A. Crooker. 2002. Effects of selection for milk yield on growth
hormone response to growth hormone releasing factor in growing Holstein
calves. J. Dairy Sci. 85:2529-2540.
Rausch,
M.I., M.W. Tripp, K.E. Govoni, W. Zang, W. Weber, B.A. Crooker,
T.A. Hoagland, and S.A. Zinn. 2002. The influence of level of feeding
and on growth and serum insulin-like growth factor I and insulin-like
growth factor-binding proteins in growing beef cattle supplemented with
somatotropin. J. Anim. Sci. 80:94-100.
Bilby,
C.R., J.F. Bader, B.E. Salfen, R.S. Youngquist, C.N. Murphy, H.A. Garverick, B.A. Crooker, and M.C. Lucy. 1999. Plasma GH, insulin-like
growth factor-I and conception rate in cattle treated with low doses
of recombinant bovine GH. Theriogenology 51:1285-1296.
Kusina,
J., J.E. Pettigrew, A.F. Sower, M.R. Hathaway, M.E. White, and B.A. Crooker. 1999. Effect of protein intake during gestation on mammary
development of primiparous sows. J. Anim. Sci. 77:925-930.
Kusina,
J., J.E. Pettigrew, A.F. Sower, M.E. White, B.A. Crooker, and M.R. Hathaway. 1999. Effect of protein intake during gestation and lactation
on the lactational performance of primiparous sows. J. Anim. Sci. 77:931-941.
Akayezu, J.M.,
W.P. Hansen, D.E. Otterby, B.A. Crooker, and G.D. Marx. 1997. Production
response of lactating Holstein cows to dietary fish meal or meat and
bone meal. J. Dairy Sci. 80:2950-2963.
Boisclair, Y.R.,
K.B. Johnston, D.E. Bauman, B.A. Crooker, F.R. Dunshea, and A.W.
Bell. 1997. Paradoxical increases of circulating nonesterified fatty
acids in somatotropin treated heifers and steers undergoing mild disturbances.
Domestic Animal Endo. 14:251-262.
Lee, B.K., G.F.
Lin, B.A. Crooker, M.P. Murtaugh, L.B. Hansen, and H. Chester-Jones.
1996. Association of a somatotropin (bST) gene polymorphism at the 5th
exon with selection for milk yield in Holstein cows. Domestic Animal
Endo. 13:373-381.
Yoon, I., K.J.
Lindquist, D.D. Hongerholt, M.D. Stern, B.A. Crooker, and K.D. Short.
1996. Variation in Menhaden fish meal characteristics and their effects
on ruminal protein degradation as assessed by several techniques. Anim.
Feed Sci. Techn. 60:13-27.
Calsamiglia, S.,
G. Caja, M.D. Stern, and B.A. Crooker. 1995. Effects of ruminal versus
duodenal dosing of fish meal on ruminal fermentation and yield and composition
of milk from Holstein cows. J. Dairy Sci. 78:1999-2007.
Crooker, B.A.,
R.L. Preston, and R.D. Boyd. 1995. Data integrity - conduct of clinical
investigators: University investigator perspective. J. Anim. Sci. 73:622-628.
Illg, D. J., M.D. Stern, H.R. Mansfield, and B.A. Crooker. 1994. Effects of extruded
soybeans and forage source on fermentation by rumen microorganisms in
continuous culture. J. Dairy Sci. 77:159-1597.
Pettigrew, J.E.,
J.P. McNamara, M.D. Tokach, R.H. King, and B.A. Crooker. 1993. Metabolic
connections between nutrient intake and lactational performance in the
sow. Livestock Prod. Sci. 35:137-152.
Calsamiglia, S.,
D.D. Hongerholt, B.A. Crooker, M.D. Stern, G.F. Hartnell, and R.L. Hintz. 1992. Effect of fish meal and expeller-processed soybean meal
fed to dairy cows receiving bovine somatotropin (Sometribove). J. Dairy
Sci. 75:2454-2462.
Calsamiglia, S., M.D. Stern, and B.A. Crooker. 1992. Effect of diets
differing in crude protein degradability on microbial fermentation and
nutrient flow from a continuous culture system. Anim. Feed Sci. Tech.
39:239-252.
Hongerholt, D.D.,
B.A. Crooker, J.E. Wheaton, K.M. Carlson, and D.M. Jorgenson. 1992.
Effects of a growth hormone releasing factor analogue and an estradiol-trenbolone
acetate implant on somatotropin, insulin-like growth factor I, and metabolite
profiles in growing Hereford steers. J. Anim. Sci. 70:1439-1448.
Tokach, M.D., J.E. Pettigrew, B.A. Crooker, G.D. Dial, and A.E. Sower. 1992. Quantitative
influence of lysine and energy intake on the yield of milk components
in the primiparous sow. J. Anim. Sci. 70:1864-1872.
Tokach, M.D., J.E. Pettigrew, G.H. Dial, J.E. Wheaton, B.A. Crooker, and L.J. Johnston.
1992. Characterization of luteinizing hormone secretion in the primiparous
lactating sow: relation to blood metabolites and return-to-estrus interval.
J. Anim. Sci. 70:2195-2201.
Tokach, M.D., J.E. Pettigrew, G.D. Dial, J.E. Wheaton, B.A. Crooker, and Y. Koketsu.
1992. Influence of glucose infusions on luteinizing hormone secretion
in the energy-restricted primiparous lactating sow. J. Anim. Sci. 70:2202-2206.
Crooker, B.A.,
P.T. Anderson, and R.D. Goodrich. 1991. Maintenance energy requirements
and energetics of tissue deposition and mobilization in cattle. Grazing
Livestock Nutrition Conference Proceedings. 2:1-12.
House, W.A., B.A. Crooker, and D.E. Bauman. 1991. Utilization of sulfur and mineral
elements by growing dairy heifers treated with bovine somatotropin.
J. Anim. Sci. 69:3817-3825.
Polan, C.E., K.A. Cummins, C.J. Sniffen, T.V. Muscato, J.L. Vicini, B.A. Crooker,
J.H. Clark, D. Johnson, D.E. Otterby, L.D. Muller, R.A. Murray,
and S.B. Peirce Sandner. 1991. Responses of dairy cows to supplemental
rumen protected forms of methionine and lysine. J. Dairy Sci. 74:2997-3013.
Crooker, B.A.,
M.A. McGuire, W.S. Cohick, M. Harkins, D.E. Bauman, and K. Sejrsen.
1990. Effect of dose of bovine somatotropin on nutrient utilization
in growing dairy heifers. J. Nutr. 120:1256-1263.
Godfredson, J.A.,
J.E. Wheaton, B.A. Crooker, E.A. Wong, R.M. Campbell, and T.F.
Mowles. l990. Growth performance and carcass composition of lambs infused
for 28 days with a growth hormone releasing factor analogue. J. Anim.
Sci. 68:3624-3632.
Bauman, D.E., D.L. Hard, B.A. Crooker, M.S. Partridge, K. Garrick, L.D. Sandles,
H.N. Erb, S.E. Franson, G.F. Hartnell, and R.L. Hintz. 1989. Long
term evaluation of a prolonged release formulation of N methionyl bovine
somatotropin in lactating dairy cows. J. Dairy Sci. 72:642-651.
Crooker, B.A.
and J.H. Clark. 1987. Inhibition of L alanine uptake into bovine jejunal
brush border membrane vesicles by L amino acids. J. Dairy Sci. 70:963-969.
Crooker, B.A.,
J.H. Clark, R.D. Shanks, and G.C. Fahey. 1987. Effects of ruminal
exposure on the amino acid profile of feeds. Cand. J. Anim. Sci. 67:1143-1148.
Clark, J.H., M.R. Murphy, and B.A. Crooker. 1987. Supplying the protein needs of dairy
cattle from byproduct feeds. J. Dairy Sci. 70:1092-1109.
Crooker, B.A.
and J.H. Clark. 1986. Preparation of brush border membrane vesicles
from fresh and frozen bovine intestine for nutrient uptake studies.
J. Dairy Sci. 69:58-70.
Crooker, B.A.,
J.H. Clark, R.D. Shanks, and E.E. Hatfield. 1986. Effects of ruminal
exposure on the amino acid profile of heated and formaldehyde treated
soybean meal. J. Dairy Sci. 69:2648-2657.
Crooker, B.A.,
J.H. Clark, and R.D. Shanks. 1983. Effects of formaldehyde treated
soybean meal on milk yield, milk composition and nutrient digestibility
in the dairy cow. J. Dairy Sci. 66:492-504.
Vicini, J.L., J.H. Clark, and B.A. Crooker. 1983. Comparison of the effectiveness of
acetic acid and formaldehyde for preventing protein degradation in the
rumen. J. Dairy Sci. 66:350-354.
Crooker, B.A.,
J.H. Clark, and R.D. Shanks. 1982. Rare earth elements as markers
for rate of passage measurements of individual dietary feedstuffs. J.
Nutr. 112:1353-1361.
- Book Chapters -
Crooker, B.A. and
D.E. Otterby. 1991. Management of the dairy herd treated with bovine
somatotropin. In: The Veterinary Clinics of North America: Food Animal
Practice. C. J. Sniffen and T. H. Herdt (ed.). W. B. Saunders, Co. Philadelphia,
PA. 7:417-437.
Crooker, B.A. and
D.E. Bauman. 1987. Nutrient partitioning: Physiological basis for animal
differences. In: L. S. Pope (Ed.) Dairy Science Handbook Vol. 17 pp.
181-186. Spillman Press, Sacramento, CA.
Crooker, B.A. and
D.E. Bauman. 1987. Role of somatotropin in nutrient partitioning: Enhancement
of growth. In: L. S. Pope (Ed.) Dairy Science Handbook Vol. 17 pp. 231-237.
Spillman Press, Sacramento, CA.
Crooker, B.A. and
D.E. Bauman. 1987. Role of somatotropin in nutrient partitioning: Enhancement
of lactation. In: L. S. Pope (Ed.) Dairy Science Handbook Vol. 17 pp
224-230. Spillman Press, Sacramento, CA.
- Peer Reviewed Proceedings of Scientific Meetings -
Crooker, B.A., W.J. Weber, L.S. Ma, and M.C. Lucy. 2001. Effect of energy balance and selection for milk yield on the somatotropic axis of the lactating Holstein cow: Endocrine profiles and hepatic gene expression. In: Energy Metabolism of Animals (15th Symposium). EAAP Energy Symposium, Snekkersten, Denmark. EAAP Publ. No. 103. pp. 345-348.
Lucy, M.C., and B.A. Crooker. 2001. Physiological and genetic differences between low and high index dairy cows. In: Fertility in the High Producing Dairy Cow. British Society of Animal Science Occas. Publ. No. 26. Vol 1. Galway, Ireland. pp. 223-236.
Crooker, B.A., W.J. Weber, and S.M. Andrew. 1998. Development and use of
deuterium oxide dilution equations to predict body composition of
Holstein cows. In: Energy Metabolism of Farm Animals (14th Symposium).
Newcastle, Northern Ireland. CAB International. pp. 177-180.
Crooker, B.A.,
M.T. Maslanka, W.J. Weber, D.G. Johnson and D.E. Otterby. 1994.
Effect of bovine somatotropin administration during lactation on body
composition of Holstein cows at dry-off and prior to calving. In:
Energy Metabolism of Farm Animals (13th Symposium). EAAP Energy Symposium,
Mojacar, Spain. EAAP Publ. No. 76. Consejo Superior de Investigaciones
Cientificas. pp. 51-54.
Pettigrew, J.E., M.D. Tokach, B.A. Crooker, and A.F. Sower. 1991. Energy-protein
interactions in the lactating sow: metabolites and milk synthesis.
In: Energy Metabolism of Farm Animals (12th Symposium). EAAP Energy
Symposium, Zurich, Switzerland. EAAP Publ. No. 58. pp. 349-352.
- Invited Papers, Conference Proceedings, Research Reports -
Crooker, B.A., M. Carriquiry, and W.J. Weber. 2006. Reproductive success in dairy cows: the linkage of milk yield, nutrition, and reproduction. 8th Intermountain Nutrition Conf. Salt Lake City, UT. Jan. 24-25. pp. 213-224.
Carriquiry, M. and B.A. Crooker. 2005. Reproductive success in dairy cows: the linkage of milk yield, nutrition, and reproduction. 66th Minnesota Nutrition Conference. St. Paul, MN. September 20-21. pp. 255-269.
Crooker, B.A. 2004. Induced lactation. Department of Animal Sciences, University of Arizona, Tucson, AZ. Feb. 9.
Crooker, B.A. 2004. Induced lactation - If approved, would it be economical? University of Illinois, Urbana. June 5.
Crooker, B.A., D.T. Galligan, W.J. Weber, R.J. Collier, M. Chahine, T.H. Klusmeyer, M.F. McGrath, and J.L. Vicini. 2004. Induced lactation - If approved, would it be economical? Proc., 19th Annual Southwest Nutrition and Management Conference, Tempe, Arizona. Feb. 24-25. pp. 152-161.
McGuire, M.A., M. Theurer, J.L. Vicini, and B.A. Crooker. 2004. Controlling energy balance in early lactation. 22nd Annual Western Canadian Dairy Symposium: Advances in Dairy Technology, Red Deer, AB. March 9-12. 16:241-252.
Crooker, B.A., D.T. Galligan, W.J. Weber, R.J. Collier, M. Chahine, T.H. Klusmeyer, M.F. McGrath, and J.L. Vicini.
2004. Induced lactation - If approved, would it be economical? Southwest
Nutrition and Management Conference Proceedings. University of Arizona.
pp. 152-161.
McGuire, M.A.,
M. Theurer, J.L. Vicini, and B.A. Crooker. 2004. Controlling
energy balance in early lactation. Western Canadian Dairy Symposium.
Advances in Dairy Technology. 16:241-252.
Crooker, B.A.
2003. Effect of selection for milk yield on growth and lactational
performance: energy balance and endocrine profiles in the Holstein
cow. Monsanto Science Symposium. St. Louis, MO. August 2, 2003. CD
distributed to dairy producers and the scientific community.
Crooker, B.A.
2003. Induced lactation - Technical update. Monsanto Science Program
- Development Meeting. St. Louis, MO. April 15, 2003.
Crooker, B.A.,
M. Chahine, W.J. Weber, J.K. Reneau, J.L. Vicini, M.F. McGrath,
E.A. Reed, and T.H. Klusmeyer. 2003. Induction of lactation using
steroid hormones and bST in nonpregnant, reproductive cull Holstein
cows. In: Proc. MN Dairy Days-2003. pp. 54-55.
Crooker, B.A.,
M. Chahine, W.J. Weber, J.K. Reneau, J.L. Vicini, M.F. McGrath,
E.A. Reed, and T.H. Klusmeyer. 2003. Induced lactation: The need
for enhanced mammary development and differentiation. Lactation Biology
Symposium - Altering the Lactation Cycle in Dairy Cows. Annual National
Meeting of ADSA/ASAS. Phoenix, AZ. June 25, 2003.
Vicini, J.L.,
B.A. Crooker, and M.A. McGuire. 2002. Energy balance in early lactation
dairy cows. In: Proc. California Animal Nutrition Conference. Fresno,
CA. pp. 1-8.
Da, Y., T.S. Sonstegard, B.A. Crooker, F.A. Ponce de León, L.B. Hansen, H. Chester-Jones, M.L. Fahning, B.E. Seguin, and G.D. Marx. 2000. Designs of resource populations for dairy QTL mapping. W. E. Peterson Symposium - Dairy Genomics: Trends and Opportunities. University of Minnesota, St. Paul, December 11-12.
Crooker,
B.A. 1999. Impact of the use of hormones on milk production. In: Proceedings
of the 25th International Dairy Congress. Volume III - Future Milk Farming.
pp. 121-128.
Crooker,
B.A. and B.K. Lee. 1997. Feeding the BST-treated dairy cow. In: 7th
Short-Course on Feed Technology. Korean Society of Animal Nutrition
and Feedstuffs. pp. 54-477.
Crooker,
B.A. 1996. Feeding the high producing dairy cow: biotechnology, body
condition and reproduction. In: Minnesota Dairy Health Conference. pp.
262-266.
Crooker,
B.A. and W.J. Weber. 1996. Managing body condition in dairy cattle.
In: 57th Minnesota Nutrition Conference. pp. 135-150.
White,
M., J. Pettigrew, J. Zollitsch-Stelzl, and B.A. Crooker. 1993. Chromium
in swine diets. In: 54th Minnesota Nutrition Conference. pp. 251-262.
May,
M.G., and B.A. Crooker. 1992. Body composition of dairy cattle and
its relationship to body condition and production. In: 53rd Minnesota
Nutrition Conference. pp. 1-17.
Crooker,
B.A. 1990. The animal welfare-animal rights movement and animal agriculture:
a research and education perspective. In: 51st Minnesota Nutrition Conference.
pp. 291-298.
Crooker,
B.A. and D.E. Otterby. 1990. Managing the bST treated cow. In: 51st
Minnesota Nutrition Conference. pp. 59-83.
Crooker,
B.A. 1989. Economic considerations of use of bovine somatotropin. In:
Bovine somatotropin (bST) and the dairy industry. Proc. Minnesota Extension
Conf. pp. 42-56.
Crooker,
B.A. 1989. Human and animal safety in relation to use of bovine somatotropin.
In: Bovine somatotropin (bST) and the dairy industry. Proc. Minnesota
Extension Conf. pp. 1-15.
Crooker,
B.A. 1988. Somatotropin and ß agonist: Effects on growth and
development. In: 49th Minnesota Nutrition Conference. pp. 104-116.
Crooker,
B.A. 1987. The role of somatotropin in nutrient partitioning: Enhancement
of growth and lactation. In: 48th Minnesota Nutrition Conference. pp.
108-117.
Clark,
J.H., R.R. Grummer, and B.A. Crooker. 1980. Protein nutrition of
lactating dairy cows. In: 41st Minnesota Nutrition Conference. pp. 17-36.
Clark,
J.H., and B.A. Crooker. 1979. The effects of protein solubility on
ruminal protein degradation. In: Proceedings and Events. Brookside Farms
Lab. Assoc. Inc. Ann. Jamboree and Conf. pp. 1-26.
Sniffen,
C.J., W.H. Hoover, L.L. Junkins, B.A. Crooker, and C.A. MacGregor.
1979. Variation in protein and soluble carbohydrate composition of various
feedstuffs. In: Proceedings of the Cornell Nutrition Conference. pp.
119-125.
- Invited Lectures -
Crooker,
B.A. 1999. Effect of selection for milk yield from a nutritional physiologist's
viewpoint. Lactation Biology Symposium - Selection for Milk Yield. ADSA
Annual Meeting. Memphis, TN. June 22, 1999.
Crooker,
B.A. 1999. Effect of selection for milk yield on nutritional physiology
of the cow. Monsanto Dairy Industry. June 3, 1999.
Crooker,
B.A. 1999. Impact of the use of hormones on milk production. The Dairy
Industry and the "U". Handout for three M.A.E.S. Workshops
(Crookston, January 9; Zumbrota, January 23; Melrose, February 6).
Crooker,
B.A. 1999. Improved understanding of animal biology can increase productive
efficiency, benefit the environment, and produce safe, nutritious food.
The Dairy Industry and the "U". Poster for three M.A.E.S.
Workshops (Crookston, January 9; Zumbrota, January 23; Melrose, February
6).
- Abstracts -
Carriquiry, M., C.R. Dahlen, W.J. Weber, G.C. Lamb, and B.A. Crooker. 2006. Bovine somatotropin and dietary fat enriched with omega-3 fatty acids in dairy cows: III. Postpartum ovarian activity. J. Dairy Sci. 89(Suppl. 1):346.
Carriquiry, M., W.J. Weber, C.R. Dahlen, G.C. Lamb, and B.A. Crooker. 2006. Bovine
somatotropin and dietary fat enriched with omega-3 fatty acids in dairy cows: I. Lactation performance. J. Dairy Sci. 89(Suppl. 1):63.
Carriquiry, M., W.J. Weber, C.R. Dahlen, G.C. Lamb, S.R. Sanders, L.H. Baumgard, and B.A. Crooker. 2006. Bovine somatotropin and dietary fat enriched with omega-3 fatty acids in dairy cows: II. Milk fatty acid composition. J. Dairy Sci. 89(Suppl. 1):63.
Carriquiry, M., W.J. Weber, C.R. Dahlen, G.C. Lamb, and B.A. Crooker. 2005. Effects of bST and dietary fat in early lactation on lactational performance of Holstein cows. J. Dairy Sci. 88(Suppl. 1):178.
Pollard, B.C., M.D. Estheimer, M.E. Dwyer, P.C. Gentry, W.J. Weber, E. Lemke, L.H. Baumgard, D.A. Henderson, B.A. Crooker, and R.J. Collier. 2005. The influence of parity, acclimatization to season, and recombinant bovine somatotropin (rbST) on diurnal patterns of prolactin and growth hormone in Holsteins exposed to heat stress. J. Dairy Sci. 88(Suppl. 1):121.
Wu, S.H., W.J. Weber, Y. Da, H. Chester-Jones, L.B. Hansen, Y. Boisclair, and B.A. Crooker. 2005. Leptin gene polymorphisms and selection for milk yield in Holstein cows. J. Dairy Sci. 88(Suppl. 1):170.
Annen, E.L., C.M. Stiening, M.E. Dwyer, B.A. Crooker, A.C. Fitzgerald, and R.J. Collier. 2004. Effects of continuous milking and prostaglandin E 2 on milk yield and composition. J. Dairy Sci. 87(Suppl. 1):132. Abstr. 223.
Carriquiry, M., S.H. Wu, W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effect of selection for milk yield on hepatic prolactin receptor (PRLR) mRNA in Holstein cows. J. Dairy Sci. 87(Suppl. 1):94. Abstr. 67.
Crooker, B.A., W.J. Weber, C. Cheatham, L.H. Baumgard, and G.C. Duff. 2004. Effect of implant program on somatotropin (ST) response to growth hormone releasing factor (GRF) in finishing Holstein steers. J. Anim. Sci. 82(Suppl. 1):364.
Crooker, B.A., W.J. Weber, R.J. Collier, S.C. Denham, M.F. McGrath, and J.L. Vicini. 2004. Effect of intramammary infusion of bovine somatotropin (bST) on milk yield by cows induced to lactate. Biotech. Agron., Society and Environ. 8:28.
Jiang, H., M.C. Lucy, B.A. Crooker, and W.E. Beal. 2004. Liver expression of growth hormone receptor 1A mRNA is decreased in dairy cows but not in beef cows at parturition. J. Dairy Sci. 87(Suppl. 1):198. Abstr. T143.
Kay, J.K., W.J. Weber, H. Chester-Jones, L.B. Hansen, D.E. Bauman, B.A. Crooker, and L.H. Baumgard. 2004. Effects of genetic selection for milk yield and stage of lactation on milk fatty acid profiles. FASEB J. 18(4-5).
Radcliff, R.P., B.L. McCormack, B.A. Crooker, and M.C. Lucy. 2004. Plasma hormones and expression of growth hormone receptor (GHR) 1A and IGF-I mRNA in hepatic tissue of feed-restricted peri-parturient dairy cows. J. Dairy Sci. 87(Suppl. 1):195). Abstr. T127.
Weber, W.J., L.H. Baumgard, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effect of selection for milk yield on prolactin profiles in multiparous Holstein cows during the periparturient period. Biotech. Agron., Society and Environ. 8:31.
Wu, S.H., W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effects of intake, selection for milk yield, and bST administration on hepatic expression of insulin receptors and components of the somatotropic axis in growing Holstein heifers. J. Dairy Sci. 87(Suppl.1):364. Abstr. W205.
Crooker,
B.A., R.J. Collier, J.L. Vicini, M.F. McGrath, and W.J. Weber.
2003. Induced lactation: the need for enhanced mammary development and
differentiation. J. Dairy Sci. 86(Suppl. 1).
Hafliger
III, H.C., L.H. Baumgard, W.J. Weber, M. Chahine, G.C. Lamb, T.H. Klusmeyer, M.F. McGrath, J.L. Vicini, and B.A. Crooker. 2003.
Effects of induced lactation on milk fatty acid profiles in multiparous
Holstein cows. J. Dairy Sci. 86(Suppl. 1).
Luimes,
P.H., E.H. Beaupré, J.H. White, W.J. Weber, H. Chester-Jones,
L.B. Hansen, B.A. Crooker, and J.R. Knapp. 2003. The effect of phenotypic
selection for milk production on hepatic expression of prolactin receptor.
J. Dairy Sci. 86(Suppl. 1).
Lukas,
J.M., W.J. Weber, R.J. Collier, J.L. Vicini, M.F. McGrath, and
B.A. Crooker. 2003. Intramammary infusion of prostaglandin E (PGE)
increases mammary development and milk yield of cows induced to lactate.
J. Dairy Sci. 86(Suppl. 1).
Radcliff,
R.P., B.L. McCormack, B.A. Crooker, and M.C. Lucy. 2003. Growth
hormone (GH) binding in liver of periparturient Holstein cows is correlated
with growth hormone receptor (GHR) 1A mRNA. J. Dairy Sci. 86(Suppl.
1).
Vicini,
J.L., S.E. Bettis, C.R. Bilby, S.C. Denham, R.L. Hintz, J.L. Holst,
E.D. Plunkett, B.A. Crooker, W.J. Weber, H. Chester-Jones, and M.E. Van Amburgh. 2003. Effects of Feed Management Program and POSILAC7
on Prepubertal Growth Rate of Replacement Dairy Heifers. J. Dairy Sci.
86(Suppl. 1).
Vicini,
J.L., D.T. Galligan, S.E. Bettis, C.R. Bilby, S.C. Denham, R.L.
Hintz, J.L. Holst, T.H. Klusmeyer, E.D. Plunkett, B.A. Crooker,
W.J. Weber, and M.E. Van Amburgh. 2003. Effects of Prepubertal Growth
Rate and POSILAC7 Treatment of Replacement Dairy Heifers on Subsequent
Milk Production and Economics. J. Dairy Sci. 86(Suppl. 1).
Weber,
W.J., S.J. Kolath, M.C. Lucy, H. Chester-Jones, L.B. Hansen and
B.A. Crooker. 2003. Effect of genetic potential for milk yield on the
onset of reproductive activity and corpus luteum function in Holstein
cows. J. Dairy Sci. 86(Suppl. 1).
Block,
S.S., R.P. Rhoads, D.E. Bauman, R.A. Ehrhardt, M.M. McGuire, B.A. Crooker, J.M. Griinari, T.R. Mackle, M.E. Van Amburgh, and Y.R. Boisclair. 2002. Role of insulin and growth hormone in regulating
the concentration of plasma leptin in lactating dairy cows. J. Dairy
Sci. 85(Suppl. 1):195.
Crooker,
B.A., L.S. Ma, W.J. Weber, M.E. White, M.R. Hathaway, and W.R.
Dayton. 2002. Effect of Revalor-S® on hepatic and muscle expression
of components of the somatotropic axis in Simmental calves and yearling
steers. J. Anim. Sci. 80(Suppl. 1):211.
Weber,
W.J., C.R. Wallace, H. Chester-Jones, and B.A. Crooker. 2002. Serum
insulin-like growth factor 1 and placental lactogen profiles in Holstein nulliparous and multiparous cows in early gestation. J. Dairy Sci. 85(Suppl.
1):9.
Weber,
W.J., S.H. Wu, H. Chester-Jones, L.B. Hansen, and B.A. Crooker.
2002. Effect of feed intake and genetic potential for milk yield on
somatotropin (ST) response to growth hormone releasing factor (GRF)
in Holstein heifers. J. Dairy Sci. 85(Suppl. 1):337.
Wu,
S.H., W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker.
2002. Effect of feed intake, bST administration, and genetic potential
for milk yield on hepatic IGF-I and growth hormone receptor mRNA in
growing Holstein heifers. J. Dairy Sci. 85(Suppl. 1):337.
Chahine, M., W.J. Weber, J.K. Reneau, B.A. Crooker, T.H. Klusmeyer, M.F. McGrath, E.A. Reed, and J.L. Vicini. 2001. Induction of lactation during winter and summer seasons in non-pregnant reproductive cull Holstein cows. J. Dairy Sci. 84(Suppl. 1):389.
Crooker, B.A., L.S. Ma, and W.J. Weber. 2001. Use of real-time PCR to determine homogenity of hepatic IGF-I expression in steers with and without Revalor implants. Biotech., Agron. Soc. and Environ. 5(Special Issue):75.
Crooker, B.A., W.J. Weber, and L.S. Ma. 2001. Effect of selection for milk yield on the somatotropic axis of the Holstein cow: endocrine profiles and hepatic gene expression. Biotech., Agron. Soc. and Environ. 5(Special Issue):56.
Weber, W.J., S. Cieslak, and B.A. Crooker. 2001. Pre-challenge administration of GRF reduces variation in growth hormone response to GRF in growing Holstein heifers. Biotech., Agron. Soc. and Environ. 5(Special Issue):96.
Wu, S.H., M.P. Murtaugh, D.N. Foster, and B.A. Crooker. 2001. Development of a bovine  -actin probe for ribonuclease protection assays. J. Dairy Sci. 84 (Suppl. 1).
Crooker, B.A., L. S. Ma, W.J. Weber, L.B. Hansen, and H. Chester-Jones. 2000. Effect of selection for milk yield on hepatic gene expression in the Holstein cow: the growth hormone (GH) receptor and insulin-like growth factor-I (IGF-I). J. Dairy Sci. 83:205.
McMullen, J.A., J.H. White, J.R. Knapp, W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2000. Evaluation of insulin receptor mRNA levels at different days pre and postpartum in liver tissue of genetically selected dairy cattle. J. Dairy Sci. 83:206.
Crawford Jr., R.J., W.H. Hoover, C.J. Sniffen, and B.A. Crooker. 1978. Degradation
of feedstuff nitrogen in the rumen vs nitrogen solubility in three solvents.
J. Anim. Sci. 46:1768-1775.
Crooker, B.A.,
C.J. Sniffen, W.H. Hoover, and L.L. Johnson. 1978. Solvents for soluble
nitrogen measurements in feedstuffs. J. Dairy Sci. 61:437-447.
Stern, M.D., W.H. Hoover, C.J. Sniffen, B.A. Crooker, and P.H. Knowlton. 1978. Effects
of nonstructural carbohydrate, urea and soluble protein levels on microbial
protein synthesis in continuous culture of rumen contents. J. Anim.
Sci. 47:944-956.
Hoover, W.H., B.A. Crooker, and C.J. Sniffen. 1976. Effects of differential solid liquid
removal rates on protozoa numbers in continuous cultures of rumen contents.
J. Anim. Sci. 43:528-534.
|
